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1supra99 +37 supra65 +97supra99 +28 supra65

Răspuns :

1/99 + 37/65 + 97/99 + 28/65 =

= 1/99 + 97/99 + 37/65 + 28/65 =

= 98/99 + 65/65 =

= 98/99+ 1 =

= 98/99 + 99/99 =

= 197/99